Search Results for author: Yawei Zhao

Found 9 papers, 1 papers with code

Markov Chain Mirror Descent On Data Federation

no code implementations26 Sep 2023 Yawei Zhao

Stochastic optimization methods such as mirror descent have wide applications due to low computational cost.

Federated Learning Stochastic Optimization

Medical Federated Model with Mixture of Personalized and Sharing Components

1 code implementation26 Jun 2023 Yawei Zhao, Qinghe Liu, Xinwang Liu, Kunlun He

Comparing with 13 existing related methods, the proposed method successfully achieves the best model performance, and meanwhile up to 60% improvement of communication efficiency.

Federated Learning Tumor Segmentation

Self-Supervised Temporal Graph learning with Temporal and Structural Intensity Alignment

no code implementations15 Feb 2023 Meng Liu, Ke Liang, Yawei Zhao, Wenxuan Tu, Sihang Zhou, Xinbiao Gan, Xinwang Liu, Kunlun He

To address this issue, we propose a self-supervised method called S2T for temporal graph learning, which extracts both temporal and structural information to learn more informative node representations.

Graph Learning

Understand Dynamic Regret with Switching Cost for Online Decision Making

no code implementations28 Nov 2019 Yawei Zhao, Qian Zhao, Xingxing Zhang, En Zhu, Xinwang Liu, Jianping Yin

We provide a new theoretical analysis framework, which shows an interesting observation, that is, the relation between the switching cost and the dynamic regret is different for settings of OA and OCO.

Decision Making Relation

Simultaneous Clustering and Optimization for Evolving Datasets

no code implementations4 Aug 2019 Yawei Zhao, En Zhu, Xinwang Liu, Chang Tang, Deke Guo, Jianping Yin

Specifically, we propose a new variant of the alternating direction method of multipliers (ADMM) to solve this problem efficiently.

Clustering regression

Decentralized Online Learning: Take Benefits from Others' Data without Sharing Your Own to Track Global Trend

no code implementations29 Jan 2019 Yawei Zhao, Chen Yu, Peilin Zhao, Hanlin Tang, Shuang Qiu, Ji Liu

Decentralized Online Learning (online learning in decentralized networks) attracts more and more attention, since it is believed that Decentralized Online Learning can help the data providers cooperatively better solve their online problems without sharing their private data to a third party or other providers.

Dynamic Online Gradient Descent with Improved Query Complexity: A Theoretical Revisit

no code implementations26 Dec 2018 Yawei Zhao, En Zhu, Xinwang Liu, Jianping Yin

We provide a new theoretical analysis framework to investigate online gradient descent in the dynamic environment.

Proximal Online Gradient is Optimum for Dynamic Regret

no code implementations8 Oct 2018 Yawei Zhao, Shuang Qiu, Ji Liu

While the online gradient method has been shown to be optimal for the static regret metric, the optimal algorithm for the dynamic regret remains unknown.

Triangle Lasso for Simultaneous Clustering and Optimization in Graph Datasets

no code implementations20 Aug 2018 Yawei Zhao, Kai Xu, Xinwang Liu, En Zhu, Xinzhong Zhu, Jianping Yin

The reason is that it finds the similar instances according to their features directly, which is usually impacted by the imperfect data, and thus returns sub-optimal results.

Clustering

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